1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2004-2011
4 * Texas Instruments, <www.ti.com>
7 * Sunil Kumar <sunilsaini05@gmail.com>
8 * Shashi Ranjan <shashiranjanmca05@gmail.com>
10 * Derived from Beagle Board and 3430 SDP code by
11 * Richard Woodruff <r-woodruff2@ti.com>
12 * Syed Mohammed Khasim <khasim@ti.com>
18 #ifdef CONFIG_LED_STATUS
19 #include <status_led.h>
22 #include <linux/mtd/rawnand.h>
24 #include <asm/arch/mmc_host_def.h>
25 #include <asm/arch/mux.h>
26 #include <asm/arch/mem.h>
27 #include <asm/arch/sys_proto.h>
29 #include <asm/mach-types.h>
30 #include <asm/omap_musb.h>
31 #include <linux/errno.h>
32 #include <linux/usb/ch9.h>
33 #include <linux/usb/gadget.h>
34 #include <linux/usb/musb.h>
38 #ifdef CONFIG_USB_EHCI_HCD
40 #include <asm/ehci-omap.h>
43 #define TWL4030_I2C_BUS 0
44 #define EXPANSION_EEPROM_I2C_BUS 1
45 #define EXPANSION_EEPROM_I2C_ADDRESS 0x50
47 #define TINCANTOOLS_ZIPPY 0x01000100
48 #define TINCANTOOLS_ZIPPY2 0x02000100
49 #define TINCANTOOLS_TRAINER 0x04000100
50 #define TINCANTOOLS_SHOWDOG 0x03000100
51 #define KBADC_BEAGLEFPGA 0x01000600
52 #define LW_BEAGLETOUCH 0x01000700
53 #define BRAINMUX_LCDOG 0x01000800
54 #define BRAINMUX_LCDOGTOUCH 0x02000800
55 #define BBTOYS_WIFI 0x01000B00
56 #define BBTOYS_VGA 0x02000B00
57 #define BBTOYS_LCD 0x03000B00
58 #define BCT_BRETTL3 0x01000F00
59 #define BCT_BRETTL4 0x02000F00
60 #define LSR_COM6L_ADPT 0x01001300
61 #define BEAGLE_NO_EEPROM 0xffffffff
63 DECLARE_GLOBAL_DATA_PTR;
66 unsigned int device_vendor;
67 unsigned char revision;
68 unsigned char content;
74 static const struct ns16550_platdata beagle_serial = {
75 .base = OMAP34XX_UART3,
77 .clock = V_NS16550_CLK,
78 .fcr = UART_FCR_DEFVAL,
81 U_BOOT_DEVICE(beagle_uart) = {
88 * Description: Early hardware init.
92 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
93 /* board id for Linux */
94 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
96 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
98 #if defined(CONFIG_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
99 status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_ON);
105 #if defined(CONFIG_SPL_OS_BOOT)
106 int spl_start_uboot(void)
108 /* break into full u-boot on 'c' */
109 if (serial_tstc() && serial_getc() == 'c')
114 #endif /* CONFIG_SPL_OS_BOOT */
117 * Routine: get_board_revision
118 * Description: Detect if we are running on a Beagle revision Ax/Bx,
119 * C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading
120 * the level of GPIO173, GPIO172 and GPIO171. This should
122 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
123 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
124 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
125 * GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx
126 * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
128 static int get_board_revision(void)
130 static int revision = -1;
132 if (revision == -1) {
133 if (!gpio_request(171, "rev0") &&
134 !gpio_request(172, "rev1") &&
135 !gpio_request(173, "rev2")) {
136 gpio_direction_input(171);
137 gpio_direction_input(172);
138 gpio_direction_input(173);
140 revision = gpio_get_value(173) << 2 |
141 gpio_get_value(172) << 1 |
144 printf("Error: unable to acquire board revision GPIOs\n");
151 #ifdef CONFIG_SPL_BUILD
153 * Routine: get_board_mem_timings
154 * Description: If we use SPL then there is no x-loader nor config header
155 * so we have to setup the DDR timings ourself on both banks.
157 void get_board_mem_timings(struct board_sdrc_timings *timings)
162 * We need to identify what PoP memory is on the board so that
163 * we know what timings to use. If we can't identify it then
164 * we know it's an xM. To map the ID values please see nand_ids.c
166 identify_nand_chip(&pop_mfr, &pop_id);
168 timings->mr = MICRON_V_MR_165;
169 switch (get_board_revision()) {
171 if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
173 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
174 timings->ctrla = NUMONYX_V_ACTIMA_165;
175 timings->ctrlb = NUMONYX_V_ACTIMB_165;
176 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
178 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
179 /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
180 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
181 timings->ctrla = MICRON_V_ACTIMA_165;
182 timings->ctrlb = MICRON_V_ACTIMB_165;
183 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
185 } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
186 /* Beagleboard Rev C5, 256MB DDR */
187 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
188 timings->ctrla = MICRON_V_ACTIMA_200;
189 timings->ctrlb = MICRON_V_ACTIMB_200;
190 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
197 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
198 timings->ctrla = MICRON_V_ACTIMA_200;
199 timings->ctrlb = MICRON_V_ACTIMB_200;
200 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
203 timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
204 timings->ctrla = NUMONYX_V_ACTIMA_165;
205 timings->ctrlb = NUMONYX_V_ACTIMB_165;
206 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
210 /* Assume 128MB and Micron/165MHz timings to be safe */
211 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
212 timings->ctrla = MICRON_V_ACTIMA_165;
213 timings->ctrlb = MICRON_V_ACTIMB_165;
214 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
220 * Routine: get_expansion_id
221 * Description: This function checks for expansion board by checking I2C
222 * bus 1 for the availability of an AT24C01B serial EEPROM.
223 * returns the device_vendor field from the EEPROM
225 static unsigned int get_expansion_id(void)
227 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
229 /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
230 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
231 i2c_set_bus_num(TWL4030_I2C_BUS);
232 return BEAGLE_NO_EEPROM;
235 /* read configuration data */
236 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
237 sizeof(expansion_config));
239 /* retry reading configuration data with 16bit addressing */
240 if ((expansion_config.device_vendor == 0xFFFFFF00) ||
241 (expansion_config.device_vendor == 0xFFFFFFFF)) {
242 printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
243 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
244 sizeof(expansion_config));
247 i2c_set_bus_num(TWL4030_I2C_BUS);
249 return expansion_config.device_vendor;
252 #ifdef CONFIG_VIDEO_OMAP3
254 * Configure DSS to display background color on DVID
255 * Configure VENC to display color bar on S-Video
257 static void beagle_display_init(void)
259 omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
260 switch (get_board_revision()) {
264 omap3_dss_panel_config(&dvid_cfg);
269 omap3_dss_panel_config(&dvid_cfg_xm);
277 static void beagle_dvi_pup(void)
281 switch (get_board_revision()) {
285 gpio_request(170, "dvi");
286 gpio_direction_output(170, 0);
287 gpio_set_value(170, 1);
292 #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
293 #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
295 i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
297 i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
299 i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
301 i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
307 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
308 static struct musb_hdrc_config musb_config = {
315 static struct omap_musb_board_data musb_board_data = {
316 .interface_type = MUSB_INTERFACE_ULPI,
319 static struct musb_hdrc_platform_data musb_plat = {
320 #if defined(CONFIG_USB_MUSB_HOST)
322 #elif defined(CONFIG_USB_MUSB_GADGET)
323 .mode = MUSB_PERIPHERAL,
325 #error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
327 .config = &musb_config,
329 .platform_ops = &omap2430_ops,
330 .board_data = &musb_board_data,
335 * Routine: misc_init_r
336 * Description: Configure board specific parts
338 int misc_init_r(void)
340 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
341 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
342 struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
343 bool generate_fake_mac = false;
346 /* Enable i2c2 pullup resisters */
347 value = readl(&prog_io_base->io1);
348 value &= ~(PRG_I2C2_PULLUPRESX);
349 writel(value, &prog_io_base->io1);
351 switch (get_board_revision()) {
353 printf("Beagle Rev Ax/Bx\n");
354 env_set("beaglerev", "AxBx");
357 printf("Beagle Rev C1/C2/C3\n");
358 env_set("beaglerev", "Cx");
362 printf("Beagle Rev C4\n");
363 env_set("beaglerev", "C4");
365 /* Set VAUX2 to 1.8V for EHCI PHY */
366 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
367 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
368 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
369 TWL4030_PM_RECEIVER_DEV_GRP_P1);
372 printf("Beagle xM Rev A/B\n");
373 env_set("beaglerev", "xMAB");
375 /* Set VAUX2 to 1.8V for EHCI PHY */
376 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
377 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
378 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
379 TWL4030_PM_RECEIVER_DEV_GRP_P1);
380 generate_fake_mac = true;
383 printf("Beagle xM Rev C\n");
384 env_set("beaglerev", "xMC");
386 /* Set VAUX2 to 1.8V for EHCI PHY */
387 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
388 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
389 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
390 TWL4030_PM_RECEIVER_DEV_GRP_P1);
391 generate_fake_mac = true;
394 printf("Beagle unknown 0x%02x\n", get_board_revision());
396 /* Set VAUX2 to 1.8V for EHCI PHY */
397 twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
398 TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
399 TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
400 TWL4030_PM_RECEIVER_DEV_GRP_P1);
401 generate_fake_mac = true;
404 switch (get_expansion_id()) {
405 case TINCANTOOLS_ZIPPY:
406 printf("Recognized Tincantools Zippy board (rev %d %s)\n",
407 expansion_config.revision,
408 expansion_config.fab_revision);
409 MUX_TINCANTOOLS_ZIPPY();
410 env_set("buddy", "zippy");
412 case TINCANTOOLS_ZIPPY2:
413 printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
414 expansion_config.revision,
415 expansion_config.fab_revision);
416 MUX_TINCANTOOLS_ZIPPY();
417 env_set("buddy", "zippy2");
419 case TINCANTOOLS_TRAINER:
420 printf("Recognized Tincantools Trainer board (rev %d %s)\n",
421 expansion_config.revision,
422 expansion_config.fab_revision);
423 MUX_TINCANTOOLS_ZIPPY();
424 MUX_TINCANTOOLS_TRAINER();
425 env_set("buddy", "trainer");
427 case TINCANTOOLS_SHOWDOG:
428 printf("Recognized Tincantools Showdow board (rev %d %s)\n",
429 expansion_config.revision,
430 expansion_config.fab_revision);
431 /* Place holder for DSS2 definition for showdog lcd */
432 env_set("defaultdisplay", "showdoglcd");
433 env_set("buddy", "showdog");
435 case KBADC_BEAGLEFPGA:
436 printf("Recognized KBADC Beagle FPGA board\n");
437 MUX_KBADC_BEAGLEFPGA();
438 env_set("buddy", "beaglefpga");
441 printf("Recognized Liquidware BeagleTouch board\n");
442 env_set("buddy", "beagletouch");
445 printf("Recognized Brainmux LCDog board\n");
446 env_set("buddy", "lcdog");
448 case BRAINMUX_LCDOGTOUCH:
449 printf("Recognized Brainmux LCDog Touch board\n");
450 env_set("buddy", "lcdogtouch");
453 printf("Recognized BeagleBoardToys WiFi board\n");
455 env_set("buddy", "bbtoys-wifi");
458 printf("Recognized BeagleBoardToys VGA board\n");
461 printf("Recognized BeagleBoardToys LCD board\n");
464 printf("Recognized bct electronic GmbH brettl3 board\n");
467 printf("Recognized bct electronic GmbH brettl4 board\n");
470 printf("Recognized LSR COM6L Adapter Board\n");
472 env_set("buddy", "lsr-com6l-adpt");
474 case BEAGLE_NO_EEPROM:
475 printf("No EEPROM on expansion board\n");
476 env_set("buddy", "none");
479 printf("Unrecognized expansion board: %x\n",
480 expansion_config.device_vendor);
481 env_set("buddy", "unknown");
484 if (expansion_config.content == 1)
485 env_set(expansion_config.env_var, expansion_config.env_setting);
487 twl4030_power_init();
488 switch (get_board_revision()) {
490 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
493 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
497 /* Set GPIO states before they are made outputs */
498 writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
499 &gpio6_base->setdataout);
500 writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
501 GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
503 /* Configure GPIOs to output */
504 writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
505 writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
506 GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
508 omap_die_id_display();
510 #ifdef CONFIG_VIDEO_OMAP3
512 beagle_display_init();
516 #ifdef CONFIG_USB_MUSB_OMAP2PLUS
517 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
520 if (generate_fake_mac)
521 omap_die_id_usbethaddr();
523 #if defined(CONFIG_MTDIDS_DEFAULT) && defined(CONFIG_MTDPARTS_DEFAULT)
524 if (strlen(CONFIG_MTDIDS_DEFAULT))
525 env_set("mtdids", CONFIG_MTDIDS_DEFAULT);
527 if (strlen(CONFIG_MTDPARTS_DEFAULT))
528 env_set("mtdparts", CONFIG_MTDPARTS_DEFAULT);
535 * Routine: set_muxconf_regs
536 * Description: Setting up the configuration Mux registers specific to the
537 * hardware. Many pins need to be moved from protect to primary
540 void set_muxconf_regs(void)
545 #if defined(CONFIG_MMC)
546 int board_mmc_init(bd_t *bis)
548 return omap_mmc_init(0, 0, 0, -1, -1);
552 #if defined(CONFIG_MMC)
553 void board_mmc_power_init(void)
555 twl4030_power_mmc_init(0);
559 #if defined(CONFIG_USB_EHCI_HCD) && !defined(CONFIG_SPL_BUILD)
560 /* Call usb_stop() before starting the kernel */
561 void show_boot_progress(int val)
563 if (val == BOOTSTAGE_ID_RUN_OS)
567 static struct omap_usbhs_board_data usbhs_bdata = {
568 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
569 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
570 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
573 int ehci_hcd_init(int index, enum usb_init_type init,
574 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
576 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
579 int ehci_hcd_stop(int index)
581 return omap_ehci_hcd_stop();
584 #endif /* CONFIG_USB_EHCI_HCD */
586 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
587 int board_eth_init(bd_t *bis)
589 return usb_eth_initialize(bis);